document.write( "Question 986727: change the subject of the formula s = n / 2 (a+l) to a \n" ); document.write( "
Algebra.Com's Answer #607528 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"s=%28n%2F2%29%28a%2B1%29\"
\n" ); document.write( "\"%282s%29%2Fn=a%2B1\"
\n" ); document.write( "\"a=%282s%29%2Fn-1\"\r
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